"use strict";

// Mobile menu
let menuToggle = document.querySelector('.menu-toggle');
let menu = document.getElementById('menu');

function toggleMenu() {
    let expanded = menuToggle.getAttribute('aria-expanded');
    console.log(expanded);

    if (expanded === 'true') {
        closeMenu();
    } else {
        openMenu();
        closeInfo();
    }
}

function openMenu() {
    menu.classList.add('open');
    menuToggle.setAttribute('aria-expanded', 'true');
}

function closeMenu() {
    menu.classList.remove('open');
    menuToggle.setAttribute('aria-expanded', 'false');
}

menuToggle.addEventListener('click', toggleMenu, false);

// Mobile info
let infoToggle = document.querySelector('.info-toggle');
let info = document.getElementById('info');

function toggleInfo() {
    let expanded = infoToggle.getAttribute('aria-expanded');
    console.log(expanded);

    if (expanded === 'true') {
        closeInfo();
    } else {
        openInfo();
        closeMenu();
    }
}

function openInfo() {
    info.classList.add('open');
    infoToggle.setAttribute('aria-expanded', 'true');
}

function closeInfo() {
    info.classList.remove('open');
    infoToggle.setAttribute('aria-expanded', 'false');
}

infoToggle.addEventListener('click', toggleInfo, false);

const root = document.documentElement;

if(root.classList.contains('entry')) {
    // Image scroller
    const viewport = document.querySelector('.image');
    const img = viewport.querySelector('img');
    const sb = new ScrollBooster({
        viewport,
        img,
        scrollMode: 'native',
        emulateScroll: true
    });

    // Thumbnail scroller
    const MAGIC_NUMBER = .05078125;
    const content = viewport;
    let height = content.offsetHeight;
    let width = content.offsetWidth;
    const hilite = document.querySelector('.hilite');
    const thumbnail = document.querySelector('.thumbnail img');

    hilite.style.height = height * MAGIC_NUMBER + 'px';
    hilite.style.width = width * MAGIC_NUMBER + 'px';

    window.addEventListener('resize', function() {
        height = content.offsetHeight;
        width = content.offsetWidth;
        hilite.style.height = height * MAGIC_NUMBER + 'px';
        hilite.style.width = width * MAGIC_NUMBER + 'px';
    }, true);

    content.addEventListener('scroll', function(e) {
        hilite.style.left = e.target.scrollLeft * MAGIC_NUMBER + 'px';
        hilite.style.top = e.target.scrollTop * MAGIC_NUMBER + 'px';
    }, {passive: true});

//if ('ontouchstart' in document.documentElement) {
    thumbnail.addEventListener('touchstart', function(e) {
        e.preventDefault();

        let rect = e.target.getBoundingClientRect();
        let x = e.changedTouches[0].pageX - rect.left - (hilite.offsetWidth / 2);
        let y = e.changedTouches[0].pageY - rect.top - (hilite.offsetHeight / 2);

        content.scrollTo(x / MAGIC_NUMBER, y / MAGIC_NUMBER);
    }, false);

    thumbnail.addEventListener('touchmove', function(e) {
        e.preventDefault();

        let rect = e.target.getBoundingClientRect();
        let x = e.changedTouches[0].pageX - rect.left - (hilite.offsetWidth / 2);
        let y = e.changedTouches[0].pageY - rect.top - (hilite.offsetHeight / 2);

        content.scrollTo(x / MAGIC_NUMBER, y / MAGIC_NUMBER);
    }, false);
//} else {
    thumbnail.addEventListener('mousemove', function(e) {
        let rect = e.target.getBoundingClientRect();
        let x = e.clientX - rect.left - (hilite.offsetWidth / 2);
        let y = e.clientY - rect.top - (hilite.offsetHeight / 2);

        content.scrollTo(x / MAGIC_NUMBER, y / MAGIC_NUMBER);
    }, true);
//}
}